Hirtella acuminata Rusby

  • Authority

    Rusby, Henry H. 1927. Descriptions of New Genera and Species of Plants Collected on the Mulford Biological Exploration of the Amazon Valley 1921-1922. Mem. New York Bot. Gard. 7: 205-387.

  • Family

    Chrysobalanaceae

  • Scientific Name

    Hirtella acuminata Rusby

  • Description

    Species Description - More or less ferruginous-hirsute throughout. Branchlets slender, terete, leafy. Stipules slenderly subulate, green, nearly 1 cm. long, acute. Petioles very short, nearly as broad as long. Blades to 1.5 dm. long, and 4 cm. broad, lanceolate, with blunt base and acuminate and acute summit, entire, thin, deep-green on both sides, pubescent on the midrib above, ferruginous-hirsute on the veins beneath, the midribs and secondaries slender, the latter 12 to 15 on each side, strongly ascending and looped together a short distance from the margin, the venation strongly anastomosing. Panicles terminal and occasionally axillary, short-peduncled, densely short-hirsute with spreading hairs, rather densely flowered, the branches subtended by very small bracts. Pedicels 3 mm. or less long, the buds obovate with rounded summit. Sepals 5 or 6 mm. long, slightly unequal, oval, obtuse, thick, strongly recurved. Petals 4 mm. long and nearly as wide, obovate with rounded summit, thick. Stamens 6, the longest 12 to 15 mm. long, the style a little longer. Drupe, in the dried state, 1.5 cm. long, 1 cm. wide, obovoid with rounded summit.

  • Discussion

    Species apparently related to H. Ughtioides Rushy, but entirely distinct. Along the cataracts of the Bopi River, 3,000 feet, H. H. Rusby, September 11, 1921 (no. 652). "A large slender shrub in the edge of the forest. Petals white; stamens blue.''